Polarization observables in deuteron photodisintegration below 360 MeV

J. Glister*, G. Ron, B. W. Lee, R. Gilman, A. J. Sarty, S. Strauch, D. W. Higinbotham, E. Piasetzky, K. Allada, W. Armstrong, J. Arrington, H. Arenhövel, A. Beck, F. Benmokhtar, B. L. Berman, W. Boeglin, E. Brash, A. Camsonne, J. Calarco, J. P. ChenS. Choi, E. Chudakov, L. Coman, B. Craver, F. Cusanno, J. Dumas, C. Dutta, R. Feuerbach, A. Freyberger, S. Frullani, F. Garibaldi, J. O. Hansen, T. Holmstrom, C. E. Hyde, H. Ibrahim, Y. Ilieva, C. W. de Jager, X. Jiang, M. K. Jones, Hyekoo Kang, A. Kelleher, E. Khrosinkova, E. Kuchina, G. Kumbartzki, J. J. LeRose, R. Lindgren, P. Markowitz, S. May-Tal Beck, E. McCullough, D. Meekins, M. Meziane, Z. E. Meziani, R. Michaels, B. Moffit, B. E. Norum, Y. Oh, M. Olson, M. Paolone, K. Paschke, C. F. Perdrisat, M. Potokar, R. Pomatsalyuk, I. Pomerantz, A. Puckett, V. Punjabi, X. Qian, Y. Qiang, R. D. Ransome, M. Reyhan, J. Roche, Y. Rousseau, A. Saha, B. Sawatzky, E. Schulte, M. Schwamb, M. Shabestari, A. Shahinyan, R. Shneor, S. Širca, K. Slifer, P. Solvignon, J. Song, R. Sparks, R. Subedi, G. M. Urciuoli, K. Wang, B. Wojtsekhowski, X. Yan, H. Yao, X. Zhan, X. Zhu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

High precision measurements of induced and transferred recoil proton polarization in d(γ,p)n have been performed for photon energies of 277-357 MeV and θcm=20°-120°. The measurements were motivated by a longstanding discrepancy between meson-baryon model calculations and data at higher energies. At the low energies of this experiment, theory continues to fail to reproduce the data, indicating that either something is missing in the calculations and/or there is a problem with the accuracy of the nucleon-nucleon potential being used.

Original languageEnglish
Pages (from-to)194-198
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume697
Issue number3
DOIs
StatePublished - 7 Mar 2011

Funding

FundersFunder number
Killam Trusts Fund
Korea Science Foundation
US–Israeli Bi-National Scientific Foundation
Walter C. Sumner Foundation
National Science Foundation9213869, 9213864, 0969239
U.S. Department of EnergyPHY 9213864, DE-AC02-06CH11357, DE-AC05-06OR23177, PHY 9213869
Thomas Jefferson National Accelerator Facility
Natural Sciences and Engineering Research Council of Canada
Deutsche ForschungsgemeinschaftSFB 443
Israel Science Foundation

    Keywords

    • Deuteron photodisintegration
    • Meson-baryon model
    • Polarization

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